Studying software evolution using topic models
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Highlights
► We apply an advanced IR technique, called topic models, to source code histories. ► High-level topic evolutions are created that describe the changes to source code. ► We examine whether the topic evolutions are accurate and meaningful to developers. ► After two case studies, we conclude that topic models are mostly accurate and meaningful.
Keywords
Software evolution
Topic model
Latent Dirichlet allocation
Mining software repositories
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